STOCK-BASED COMPENSATION (Details 2) (USD $)	12 Months Ended
	Dec. 27, 2014
Options outstanding and exercisable by price range
Options Outstanding, Number (in shares)	768,595
Options Exercisable, Number (in shares)	450,539
Range of exercise price per share from $24.37 to $40.21
Options outstanding and exercisable by price range
Exercise price range, low end of range (in dollars per share)	$ 24.37
Exercise price range, high end of range (in dollars per share)	$ 40.21
Options Outstanding, Number (in shares)	11,400
Options Outstanding, Weighted Average Remaining Contractual Life	5 months 5 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 26.32
Options Exercisable, Number (in shares)	11,400
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 26.32
Range of exercise price per share from $57.46 to $105.44
Options outstanding and exercisable by price range
Exercise price range, low end of range (in dollars per share)	$ 57.46
Exercise price range, high end of range (in dollars per share)	$ 105.44
Options Outstanding, Number (in shares)	297,279
Options Outstanding, Weighted Average Remaining Contractual Life	2 years 11 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 80.75
Options Exercisable, Number (in shares)	297,094
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 80.75
Range of exercise price per share from $110.26 to $151.45
Options outstanding and exercisable by price range
Exercise price range, low end of range (in dollars per share)	$ 110.26
Exercise price range, high end of range (in dollars per share)	$ 151.45
Options Outstanding, Number (in shares)	459,916
Options Outstanding, Weighted Average Remaining Contractual Life	6 years
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 137.19
Options Exercisable, Number (in shares)	142,045
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 137.59